Glossary index

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Networking and telecommunications

Path Metric

The path metric is a value that represents the cost associated with a specific route in the routing table. In the context of routing protocols, the path metric is calculated using various parameters…

Networking and telecommunications

Path MTU

The path MTU, or Maximum Transmission Unit of the path, refers to the largest amount of data that can be transmitted in a single packet over a network, considering the specific path it takes from the…

Networking and telecommunications

Path MTU Discovery

The discovery of path MTU refers to a technique used to determine the maximum transmission unit (MTU) size that can be handled along a specific network route. This size is crucial because it defines…

Networking and telecommunications

Path Pattern

The 'Path Pattern' in content delivery networks (CDNs) is a rule that defines how content requests are directed to specific origins. This pattern allows administrators to specify which requests…

Networking and telecommunications

Path Selection

Path selection is the process of determining the best path for data to travel through a network. This process is fundamental in packet routing, as it ensures that information is transmitted…

Networking and telecommunications

Path Vector

The path vector is a routing method used in computer networks that is based on the information about the path that data packets must follow to reach their destination. This approach allows routers to…

Networking and telecommunications

Path Vector Protocol

**Description:** A path vector routing protocol is a type of routing protocol that maintains route information that is dynamically updated.

Networking and telecommunications

Payload Capacity

The payload capacity refers to the maximum amount of data that a network protocol can carry. This concept is fundamental in the field of networks and embedded systems, as it determines the efficiency…

Networking and telecommunications

Payload Processing

Payload processing refers to the handling and manipulation of the data carried by a packet or message in the context of information transmission. This concept is fundamental in the field of…

Networking and telecommunications

Payload Routing

Payload routing is the process of directing payload data to its appropriate destination within a web services architecture, especially in the context of REST APIs. This concept is based on the idea…

Networking and telecommunications

Payment Protocol

A payment protocol is a set of rules governing how payments are made and processed on a blockchain network. These protocols are fundamental to ensuring interoperability between different systems and…

Networking and telecommunications

PDO

PDO, which stands for PHP Data Objects, is a PHP extension that provides a uniform and secure database access interface. This data access layer allows developers to interact with different database…

Networking and telecommunications

PDU (Protocol Data Unit)

The PDU (Protocol Data Unit) is a unit of information transmitted across a network, encapsulating data in a format that can be understood by network devices. Depending on the layer of the OSI model…

Networking and telecommunications

Peer-to-Peer (P2P)

Peer-to-Peer (P2P) is a decentralized communication model where each party has the same capabilities, meaning there is no central server controlling the network. In this model, each node can act as…

Networking and telecommunications

Peer-to-Peer Networks

Peer-to-Peer (P2P) networks are decentralized communication systems where each participant, known as a node, can act both as a client and a server. This means there is no central server controlling…

Networking and telecommunications

Persistent Connection

Persistent connection is a network concept that refers to a network connection that remains open for multiple requests, rather than closing after each data exchange. This approach allows clients to…

Networking and telecommunications

Persistent Lease

Persistent leasing is a concept within the DHCP (Dynamic Host Configuration Protocol) that refers to the assignment of an IP address to a client in such a way that it remains even after the client…

Networking and telecommunications

Personal Area Network

A Personal Area Network (PAN) is a small network, typically within a range of a few meters, that allows the interconnection of personal devices such as mobile phones, tablets, laptops, and other…

Networking and telecommunications

Phase Array Antenna

A phased array antenna is an antenna that can electronically steer its beam, allowing precise control over the direction of the signal without the need to physically move the antenna. This type of…

Networking and telecommunications

Phone State

The phone state refers to the current status of a mobile device, which can include various conditions such as ringing, idle, on a call, or in vibration mode. This functionality is essential for…

Networking and telecommunications

Physical Layer

The physical layer is the first and lowest layer of the OSI (Open Systems Interconnection) model, responsible for the transmission of raw data over a physical medium. This layer defines the…

Networking and telecommunications

Physical Layer Interface

The physical layer interface is the connection point between the physical layer and the data link layer in telecommunications networks, especially in the context of mobile networks. This interface is…

Networking and telecommunications

Physical Layer Protocol

A physical layer protocol defines the electrical and physical specifications for devices in a network. This layer is fundamental in the OSI (Open Systems Interconnection) model, as it establishes the…

Networking and telecommunications

Physical Layer Security

Physical layer security refers to the security measures implemented at the physical layer of a network. This layer is fundamental as it encompasses all the tangible components that enable data…

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